js_bootcamp/While.js

' use strict'
const input = require('readline-sync');

let StartingFuelLevel = 0;
let NumberAstro = 0;
let Altitude = 0;

while (StartingFuelLevel <= 5000 || StartingFuelLevel >= 30_000 || isNaN(StartingFuelLevel)) {
    StartingFuelLevel = input.question('Enter the starting fuel level: ')
  break;
}

while(NumberAstro > 7 || NumberAstro < 1) {
  NumberAstro = input.question("Enter the number of astronauts: ");
  if(isNaN(NumberAstro) || Number.isInteger(NumberAstro)){
    continue;
  };

console.log(StartingFuelLevel);
while(StartingFuelLevel - (100 * NumberAstro) >= 0)
{
  Altitude += 50;
  console.log(Altitude);
  StartingFuelLevel -= (100 * NumberAstro);
  };

console.log(`The shuttle gained an altitude of ${Altitude} km.`)

if(Altitude >= 2_000){
  console.log('Orbit achieved');
}
  else{
    console.log('Failed to reach orbit');
  }
};